Most files of this nature utilize the H.264 (AVC) or H.265 (HEVC) video codecs and AAC or AC3 for audio.
To ensure all tracks and subtitles in a "takk-p01" file function correctly, use a versatile media player that includes built-in codecs:
"P01" is frequently used for Promotional Videos (PVs) or Pilot Episodes of upcoming series.